Answer & Solution
Answer: Option B
Solution:
The <<= operator shifts the bits of e to the left by 1 position, resulting in 12.
Q
What does let e = 6; e <<= 1; evaluate to?
Related Questions on Average
What will be the value of a after let a = 5; a /= 2;?
A). 2
B). 5
C). 10
D). 0
How does the &= operator work in JavaScript?
A). Performs a logical AND
B). Performs a bitwise AND
C). Performs a bitwise OR
D). Performs a logical OR
What is the result of `let x = 10; x
A).
B). = 5;`?
C). 10
D). 5
What does the ??= operator do?
A). Logical AND assignment
B). Logical OR assignment
C). Nullish coalescing assignment
D). Bitwise AND assignment
What does the += operator do?
A). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns
What does let a = 10; a >>= 2; evaluate to?
A). 2
B). 4
C). 10
D). 5
Which operator would you use to shift bits to the right and assign the result?
A). >>>=
B). >>=
C). <<=
D). &=
How does the ^= operator work in JavaScript?
A). Performs a logical XOR
B). Performs a bitwise XOR
C). Performs a logical AND
D). Performs a bitwise AND
What will be the value of b after let b = null; b ??= 'default';?
A). null
B). 'default'
C). undefined
D). NaN
What will be the value of d after let d = true; d &&= false;?
A). 1
B). 0
C). NaN
D). undefined